The SPDC is responsible for projects with investment surpassing the set ceiling.
其中限额以上的项目由国家计委负责。
Then state function of SPDC biphoton light field was derived and a probability explanation was given.
推导自发参量下转换双光子态的数学表达式，并给出其几率解释。
Spontaneous Parametric Down-conversion(SPDC); correlated photon; quantum-efficiency; coincidence count;
自发参量下转换；相关光子； 量子效率；符合计数；
"For years the SPDC has had the Karen killing each other, now it looks like things might swing around, " Mr Long said.
“几年来，克伦族互相残杀，现在看来，事情可能看起来有转机”艾龙康梅先生说。
The fighting was reported to have included the use of artillery by the SPDC, and a shell hit a nearby temple, killing four monks.
缅军使用重炮，无区别轰击，命中附近的一个寺庙，打死四名僧侣。
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
分析了泵浦光的谱宽以及测量所选用的滤波器的带宽对下转换产生的信号光和闲置光分布范围影响。
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
分析了泵浦光的谱宽以及测量所选用的滤波器的带宽对下转换产生的信号光和闲置光分布范围影响。
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